The Role of Membrane, Feed characteristic and Process Parameter on RED Power Generation

Heru Susanto, M. Fitrianingtyas, I. N. Widiasa, T. Istirokhatun, Yunita Fahni, A. Abdurahman
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引用次数: 2

Abstract

Reverse electrodialysis (RED) is a renewable energy-generating SGE technique using energy from salinity gradients. This research investigates the effect of membrane and feed characteristics on reverse electrodialysis (RED) power generation. Some investigations on the process parameters effect for the complement of the main study were also conducted. The generated power of RED was measured using power density analysis. The experiments were performed using artificial seawater varied from 0 to 1 g/L NaCl for diluted salt water and from 0 to 40 g/L NaCl for concentrated salt water. In a study of ions type, NaCl non-pa is used to represent monovalent ions, and MgSO4 represents divalent ions. The results showed that the highest voltage generation is 2.004 volts by 14 cells number of the RED membrane utilizing a RED self-made laboratory scale. The power density was enhanced by raising the flow rate (0.10 L/min), concentration difference (40 g/L), and the presence of electrode rinse solution. Further, the ion type (monovalent, divalent, and multivalent) influenced the resulting RED power density, where the divalent ion (MgSO4) 's power density was greater than that of the monovalent ion (NaCl). The resistance and selectivity of the membrane were the major keys for the power generation of RED
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膜、进料特性及工艺参数对RED发电的影响
反向电渗析(RED)是一种利用盐度梯度能量产生SGE的可再生能源技术。本研究调查了膜和进料特性对反电渗析(RED)发电的影响。还对工艺参数的影响进行了一些研究,以补充主要研究内容。使用功率密度分析测量RED的发电功率。实验是使用人工海水进行的,对于稀释的盐水,变化范围为0至1g/L NaCl,对于浓盐水,变化为0至40g/L NaCl。在离子类型的研究中,NaCl non-pa表示单价离子,MgSO4表示二价离子。结果表明,利用RED自制的实验室规模,RED膜的14个细胞数产生的最高电压为2.004伏。通过提高流速(0.10L/min)、浓度差(40g/L)和电极冲洗溶液的存在来提高功率密度。此外,离子类型(单价、二价和多价)影响了所得的RED功率密度,其中二价离子(MgSO4)的功率密度大于单价离子(NaCl)的功率。膜的电阻和选择性是RED发电的主要关键
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来源期刊
CiteScore
4.50
自引率
16.00%
发文量
83
审稿时长
8 weeks
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